{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["education degree", "education institution", "place of death", "place of birth"], "input": "Devon archaeologist Ralegh Radford excavated at the site from 1933 through to 1938, and he pioneered the hypothesis that Tintagel Castle had been a monastery during Period II. He came to this conclusion based upon some similarities in the structures Master of Arts  the Early Medieval elements of Tintagel Castle and the seventh century monastery at the site of Whitby Abbey in Yorkshire."}
{"education degree": [{"subject": "Ralegh Radford", "object": "Master of Arts "}], "education institution": [], "place of death": [], "place of birth": []}